Light To Frequency & Light To Voltage Light to Voltage Precision
TSL257T: Light To Frequency & Light To Voltage Light to Voltage Precision
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Features: · 64 × 1 Sensor-Element Organization· 200 Dots-Per-Inch (DPI) Sensor Pitch· High Lineari...
Peak Wavelength : | 640 nm | Maximum Operating Temperature : | + 70 C | ||
Minimum Operating Temperature : | 0 C | Mounting Style : | SMD/SMT | ||
Package / Case : | SMD-4 | Packaging : | Reel |
Supply voltage, VDD (see Note 1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 V
Output current, IO . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ±10 mA
Duration of short-circuit current at (or below) 25 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 s
Operating free-air temperature range, TA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −25 to 85Storage temperature range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −25 to 85
Solder conditions in accordance with JEDEC−J−SRD−020A, maximum temperature . . . . . . . . . . . . . . . . . . . 260
Stresses beyond those listed under "absolute maximum ratings" may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated under "recommended operating conditions" is not implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.
NOTE 1: All voltages are with respect to GND.
The TSL257T is a high-sensitivity low-noise light-to-voltage optical converter that combines a photodiode and a transimpedance amplifier on a single monolithic CMOS integrated circuit. Output voltage is directly proportional to light intensity (irradiance) on the photodiode. The TSL257T has a transimpedance gain of 320 M. The device has improved offset voltage stability and low power consumption and is supplied in a compact 4-lead surface-mount package.